feat(ci): Add license check in audit

.github/workflows/audit.yml

@@ -39,6 +39,15 @@ jobs:
         uses: github/codeql-action/upload-sarif@v1
         with:
           sarif_file: devskim-results.sarif          
+
+  licenses:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: EmbarkStudios/cargo-deny-action@v1
+        with:
+          command: check licenses
+          arguments: --all-features
 
   code-quality:
     runs-on: ubuntu-latest